Question 1

ANP is a hormone that causes

Accepted Answer

A)  constriction of the afferent arterioles and release of renin.
B)  constriction of the afferent arterioles and inhibition of renin release.
C)  dilation of the afferent arterioles and release of renin.
D)  dilation of the afferent arterioles and inhibition of renin release.E) B) and C)
F) A) and B)

Question 2

Immediately before blood enters arterioles of the kidney,it travels through small arteries that project peripherally into the renal cortex.These arteries are the

Accepted Answer

A)  arcuate arteries.
B)  interlobular arteries.
C)  segmental arteries.
D)  lobar arteries.
E)  peritubular arteries.F) A) and E)
G) C) and E)

Question 3

How are the processes of reabsorption and secretion related

Accepted Answer

A)  They both involve movement of material from the blood into the tubular fluid.
B)  Materials move in opposite directions: reabsorption moves materials into the blood,whereas secretion removes them from the blood.
C)  Materials move in opposite directions: secretion moves materials into the blood,whereas reabsorption removes them from the blood.
D)  They both involve movement of material from the tubular fluid into the blood.E) A) and D)
F) A) and C)

Question 4

The muscularis layer of the urinary bladder is commonly called the _____ muscle.

Accepted Answer

A)  detrusor
B)  trigone
C)  extrusor
D)  extrinsicE) B) and D)
F) B) and C)

Question 5

The thick tangle of capillary loops found within a corpuscle is known as the

Accepted Answer

A)  Bowman.
B)  convoluted capillary bed.
C)  glomerular capsule.
D)  glomerulus.
E)  nephron.F) None of the above
G) A) and E)

Question 6

A GFR measurement will be directly related to the concentration of inulin in the plasma and inversely related to the concentration of inulin in the urine.

Accepted Answer

A) True 
 B)False

Question 7

If the filtration membrane were made more porous,how would you expect the glomerular filtration rate to change

Accepted Answer

A)  Increase
B)  Decrease
C)  No changeD) A) and B)
E) A) and C)

Question 8

Sympathetic stimulation causes

Accepted Answer

A)  mesangial cells to release angiotensin,which ultimately leads to granular cell contraction.
B)  mesangial cells to release angiotensin,which ultimately leads to granular cell relaxation.
C)  granular cells to release renin,which ultimately leads to mesangial cell contraction.
D)  granular cells to release renin,which ultimately leads to mesangial cell relaxation.
E)  inhibited release of erythropoietin and contraction of granular and mesangial cells.F) A) and C)
G) A) and E)

Question 9

Which is not a function of the kidneys

Accepted Answer

A)  Regulation of blood pressure
B)  Removal of wastes from the blood
C)  Regulation of erythrocyte production
D)  Regulation of lymphocyte production
E)  Regulation of acid-base balanceF) A) and D)
G) B) and E)

Question 10

Increases in the levels of plasma proteins result in increases in net filtration pressure.

Accepted Answer

A) True 
 B)False

Question 11

The presence of proteins in the plasma tends to

Accepted Answer

A)  push fluid across the filtration membrane.
B)  draw fluid back into the glomerulus.C) A) and B)
D) undefined

Question 12

Generally,a very _______ percent of Na+in the tubular fluid is reabsorbed,and the reabsorption takes place _________.

Accepted Answer

A)  high;only in the nephron loop
B)  high;along the entire tubule
C)  small;only in the nephron loop
D)  small;along the entire tubuleE) A) and D)
F) B) and D)

Question 13

Parathyroid hormone (PTH)

Accepted Answer

A)  stimulates reabsorption of both calcium and phosphate.
B)  stimulates reabsorption of calcium but inhibits phosphate reabsorption.
C)  inhibits reabsorption of calcium but stimulates phosphate reabsorption.
D)  inhibits reabsorption of both calcium and phosphate.E) A) and D)
F) All of the above

Question 14

Put the portions of the male urethra in the correct order,from the urinary bladder to the exterior.
A: Spongy part
B: Urethral orifice
C: Prostatic part
D: Membranous part

Accepted Answer

A)  b,c,a,d
B)  c,a,d,b
C)  b,c,d,a
D)  c,d,a,b
E)  b,a,c,dF) A) and D)
G) C) and D)

Question 15

Contrast the effects of aldosterone and ADH on water reabsorption in the kidney.How are they similar and how do they differ

Accepted Answer

Both hormones increase water reabsorptio...

Question 16

The proximal convoluted tubule is lined with a

Accepted Answer

A)  cuboidal epithelium with a large surface area.
B)  simple columnar epithelium with a slick smooth surface.
C)  stratified squamous epithelium with a large surface area.
D)  stratified squamous epithelium with a tough,durable surface.
E)  simple squamous endothelium that makes a slick surface.F) A) and B)
G) A) and C)

Question 17

The ball of capillaries in the renal corpuscle is called the ________________.

Accepted Answer

The answer of The ball of capillaries in the renal...

Question 18

Stimulation of granular cells by the sympathetic nervous system causes them to

Accepted Answer

A)  contract.
B)  relax.
C)  release calcitriol.
D)  increase endocytosis.E) A) and B)
F) All of the above

Question 19

Cortical nephrons have their corpuscles near the _________ edge of the cortex and are the ______ common type of nephron.

Accepted Answer

A)  deeper;more
B)  deeper;less
C)  peripheral;more
D)  peripheral;lessE) A) and B)
F) A) and D)

Question 20

Urine passes from the renal papilla into a

Accepted Answer

A)  major calyx,then to a minor calyx,then to a ureter.
B)  minor calyx,then to a major calyx,then to the renal pelvis.
C)  ureter,then to a minor calyx,then to a major calyx.
D)  renal pelvis,then to a major calyx,then to a ureter.
E)  collecting duct,then to a minor calyx,then to a major calyx.F) B) and C)
G) A) and E)

Exam 24: Urinary System

A GFR measurement will be directly related to the concentration of inulin in the plasma and inversely related to the concentration of inulin in the urine.

Correct AnswerverifiedShow Answer

The presence of proteins in the plasma tends to

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ANP is a hormone that causes

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Put the portions of the male urethra in the correct order,from the urinary bladder to the exterior. A: Spongy part B: Urethral orifice C: Prostatic part D: Membranous part

Correct AnswerverifiedShow Answer

Cortical nephrons have their corpuscles near the _________ edge of the cortex and are the ______ common type of nephron.

Correct AnswerverifiedShow Answer

Immediately before blood enters arterioles of the kidney,it travels through small arteries that project peripherally into the renal cortex.These arteries are the

Correct AnswerverifiedShow Answer

Parathyroid hormone (PTH)

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Contrast the effects of aldosterone and ADH on water reabsorption in the kidney.How are they similar and how do they differ

Correct AnswerverifiedBoth hormones increase water reabsorptio...View AnswerShow Answer

Which is not a function of the kidneys

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The proximal convoluted tubule is lined with a

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The ball of capillaries in the renal corpuscle is called the ________________.

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Generally,a very _______ percent of Na+in the tubular fluid is reabsorbed,and the reabsorption takes place _________.

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The muscularis layer of the urinary bladder is commonly called the _____ muscle.

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If the filtration membrane were made more porous,how would you expect the glomerular filtration rate to change

Correct AnswerverifiedShow Answer

How are the processes of reabsorption and secretion related

Correct AnswerverifiedShow Answer

Increases in the levels of plasma proteins result in increases in net filtration pressure.

Correct AnswerverifiedShow Answer

Urine passes from the renal papilla into a

Correct AnswerverifiedShow Answer

Stimulation of granular cells by the sympathetic nervous system causes them to

Correct AnswerverifiedShow Answer

The thick tangle of capillary loops found within a corpuscle is known as the

Correct AnswerverifiedShow Answer

Sympathetic stimulation causes

Correct AnswerverifiedShow Answer

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Cortical nephrons have their corpuscles near the ___ edge of the cortex and are the common type of nephron.

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Both hormones increase water reabsorptio...
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Generally,a very _ percent of Na⁺in the tubular fluid is reabsorbed,and the reabsorption takes place ___.

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